Add X509CertificateBytes which uses CRYPTO_BUFFER instead of macOS-native certificate types.

net/cert/x509_certificate.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_CERT_X509_CERTIFICATE_H_
 #define NET_CERT_X509_CERTIFICATE_H_
 
 #include <stddef.h>
 #include <string.h>
 
 #include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/string_piece.h"
 #include "base/time/time.h"
 #include "net/base/net_export.h"
 #include "net/cert/cert_type.h"
 #include "net/cert/x509_cert_types.h"
+#include "net/net_features.h"
 
-#if defined(OS_WIN)
+#if BUILDFLAG(USE_BYTE_CERTS)
+#include "third_party/boringssl/src/include/openssl/base.h"
+#elif defined(OS_WIN)
 #include <windows.h>
 #include "crypto/wincrypt_shim.h"
 #elif defined(OS_MACOSX)
 #include <CoreFoundation/CFArray.h>
 #include <Security/SecBase.h>
 #elif defined(USE_OPENSSL_CERTS)
 // Forward declaration; real one in <x509.h>
 typedef struct x509_st X509;
 typedef struct x509_store_st X509_STORE;
 #elif defined(USE_NSS_CERTS)
@@ skipping 15 matching lines @@
 // X509Certificate represents a X.509 certificate, which is comprised a
 // particular identity or end-entity certificate, such as an SSL server
 // identity or an SSL client certificate, and zero or more intermediate
 // certificates that may be used to build a path to a root certificate.
 class NET_EXPORT X509Certificate
     : public base::RefCountedThreadSafe<X509Certificate> {
  public:
   // An OSCertHandle is a handle to a certificate object in the underlying
   // crypto library. We assume that OSCertHandle is a pointer type on all
   // platforms and that NULL represents an invalid OSCertHandle.
-#if defined(OS_WIN)
+#if BUILDFLAG(USE_BYTE_CERTS)
+  // TODO(mattm): Remove OSCertHandle type and clean up the interfaces once all
+  // platforms use the CRYPTO_BUFFER version.
+  typedef CRYPTO_BUFFER* OSCertHandle;
+#elif defined(OS_WIN)
   typedef PCCERT_CONTEXT OSCertHandle;
 #elif defined(OS_MACOSX)
   typedef SecCertificateRef OSCertHandle;
 #elif defined(USE_OPENSSL_CERTS)
   typedef X509* OSCertHandle;
 #elif defined(USE_NSS_CERTS)
   typedef struct CERTCertificateStr* OSCertHandle;
 #else
   // TODO(ericroman): not implemented
   typedef void* OSCertHandle;
@@ skipping 147 matching lines @@
   // Returns true if this object and |other| represent the same certificate.
   bool Equals(const X509Certificate* other) const;
 
   // Returns intermediate certificates added via AddIntermediateCertificate().
   // Ownership follows the "get" rule: it is the caller's responsibility to
   // retain the elements of the result.
   const OSCertHandles& GetIntermediateCertificates() const {
     return intermediate_ca_certs_;
   }
 
-#if defined(OS_MACOSX)
+#if defined(OS_IOS)
   // Returns a new CFMutableArrayRef containing this certificate and its
   // intermediate certificates in the form expected by Security.framework
   // and Keychain Services, or NULL on failure.
   // The first item in the array will be this certificate, followed by its
   // intermediates, if any.
   CFMutableArrayRef CreateOSCertChainForCert() const;
 #endif
 
   // Do any of the given issuer names appear in this cert's chain of trust?
   // |valid_issuers| is a list of DER-encoded X.509 DistinguishedNames.
@@ skipping 216 matching lines @@
   // Untrusted intermediate certificates associated with this certificate
   // that may be needed for chain building.
   OSCertHandles intermediate_ca_certs_;
 
   DISALLOW_COPY_AND_ASSIGN(X509Certificate);
 };
 
 }  // namespace net
 
 #endif  // NET_CERT_X509_CERTIFICATE_H_